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Fastener Guides ·

How to specify fasteners for structural work

A buyer's checklist for grade, coating and standard when ordering bolts, nuts and washers.

Hex bolts and nuts

Specifying fasteners

Grade, coating and standard decide performance in structural work. Confirm the material grade (SS 304/316, alloy steel), the coating for corrosion resistance, and the governing standard (DIN / ASTM / IS) before ordering.

### What to confirm

  • Material grade and manufacturer's test certificate
  • Coating and finish
  • Size range and thread standard
Brushed stainless finish

Fastener Guides

Stainless grades: 304 vs 316

What the two common austenitic grades mean for corrosion resistance and cost.

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